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单词
频率标准
释义
频率标准
Encyclopedia
工学
频率标准
释
frequency standard
频率标准
能独立工作的，且能给出较高准确度的单一频率值的正弦信号的装置。简称频标。
理学
〔原子物理应用〕
释
frequency standards
频率标准
用信号频率相当准确和单一的正弦振荡信号发生器确定频率的计量。
Physics
光学、声学
光学
frequency standard
频标
全称“频率标准”。
＞原子与分子物理学＞冷原子分子物理＞释义
frequency standard
频[率]标[准]
Astronomy
frequency standard
频率标准
随便看
forecasting error method
forecasting flood and drought hazards
forecasting geologic model
Forecasting human resource requirements
forecasting marine hazards
forecasting model
forecasting of underground space demand
forecast of agrometeorological conditions
forecast of catch
forecast of crop development stage
forecast of fishing condition
forecast of forest fire
forecast of harvest period
Forecast of human resource supply
forecast of mining geological structure
forecast of prairie fire risk
forecast of sowing date
forecast of transplant date
forecooler
forecooling
foredeep
foreground
foreground galaxy
foreground galaxy cluster
foregrounding
科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。
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更新时间：2026/1/18 16:04:55